If your show becomes asynchronous during the presentation you may have to update the operating software (firmware) of your SD Event Control or Event 2x4. Click here to find out about the appropriate firmware version for your device. The current software version of your device is briefly displayed on the display after switching on. Any update requires the presentation data to be recalculated provided they were produced with Wings Vioso RX version 1.12b or lower .
See Generating data for the CF Card